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US2769150A
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Laminated conductor
Assignee: AT&T Inc
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Filing: 1952-11-14
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Granted: 1956-10-30
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Expires: 1972-11-14
Abstract
No abstract record available.
Inventors
- 👤 Harold S Black
- 👤 Jr Samuel P Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:38
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1701278A
Cited
US2433181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |